Deposit control in ground water remediation equipment
- Windham Environmental Corp., Newfane, VT (United States)
Remedial actions at all types of hazardous waste sites to remove VOCs require the implementation of various water treatment technologies. Though the many groundwater treatment technologies are constantly developing, some age-old problems associated with handling any water remains. These operating problems include deposition of naturally occurring inorganic solutes such as iron, manganese, calcium and fouling by indigenous microorganisms. Fouling of air stripping towers is a common example of this phenomenon. Virtually all groundwater treatment systems experience some degree of operating impediment from this cause. Some systems may take years for deposits to become problems, but many systems become inoperable within weeks or months. Recently released studies by the American Petroleum Institute show that deposit control is the most common operation problem causing remediation system failure. Such failures result in greatly increased operation and maintenance costs and non compliance with regulatory mandates. Many methods for eliminating and preventing deposits have developed along with groundwater treatment technology itself. The most common methods involve periodic system cleaning requiring system downtime, manpower and inconsistent groundwater treatment effectiveness. This paper identifies the causes of these deposits, defines the issues associated with deposit and fouling control in groundwater treatment systems, reviews the known technologies used in the past to control the problem and presents recently developed deposit control technologies. Effectiveness and costs associated with each deposit control technology are discussed in detail. Case studies are presented to identify actual costs of various deposit control technologies.
- OSTI ID:
- 215576
- Report Number(s):
- CONF-951139-; TRN: IM9618%%260
- Resource Relation:
- Conference: 16. hazardous waste conference and exhibition: new frontiers in hazardous waste, Washington, DC (United States), 6-8 Nov 1995; Other Information: PBD: 1995; Related Information: Is Part Of Superfund 16: Conference and exhibition proceedings. Volume 2; PB: 817 p.
- Country of Publication:
- United States
- Language:
- English
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